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Figure 6.Concentrations (mg/kg dry weight, dw) of Hg from 2006-2020 analysed in A) claw meat and B) brown meat of raw (orange; 2017-2020) and boiled (blue; 2006-2019) crabs (Cancer pagurus) captured at the site of U-864 and 4 nautical miles north of the wreck. Concentrations are given as log10 transformed values, and mean, standard errors and 95% confidence intervals are given. From 2018 on, samples were not freeze dried before analysis, and dry matter was determined by drying at 104°C.
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